Camerica BF909x pinout: Difference between revisions
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* Register $C000 is at $C000-$FFFF | * Register $C000 is at $C000-$FFFF | ||
* ?? is unknown input, tied to GND in all cartridges | * ?? is unknown input, tied to GND in all cartridges | ||
* BF9093 is used in 64 kB / 128 kB / 256 kB NES & 256 kB Famicom singles ([[iNES Mapper 071]] [[NES 2.0 submappers# | * BF9093 is used in 64 kB / 128 kB / 256 kB NES & 256 kB Famicom singles ([[iNES Mapper 071]] [[NES 2.0 submappers#071:_0|submapper 0]]) | ||
* BF9096 is used in NES/Famicom Quattro multicarts ([[iNES Mapper 232]]) | * BF9096 is used in NES/Famicom Quattro multicarts ([[iNES Mapper 232]]) | ||
* BF9097 is used in Firehawk ([[iNES Mapper 071]]) [[NES 2.0 submappers# | * BF9097 is used in Firehawk ([[iNES Mapper 071]]) [[NES 2.0 submappers#071:_1_Fire_Hawk|submapper 1]] and in 64 kB Famicom singles (pins 17, 16 are not wired here) | ||
* CIC stun latches inverse of CPU A0 when writing at $E000-$FFFF | * CIC stun latches inverse of CPU A0 when writing at $E000-$FFFF | ||
* Pinout from [http://kevtris.org/mappers/camerica/ Kevtris] is not accurate | * Pinout from [http://kevtris.org/mappers/camerica/ Kevtris] is not accurate | ||
Source: [https://forums.nesdev.org/viewtopic.php?t=21092] | Source: [https://forums.nesdev.org/viewtopic.php?t=21092] | ||
Revision as of 08:01, 8 April 2024
.--v--. | .--v--. | .--v--.
+5V -- |01 20| <- CPU A14 | +5V -- |01 20| <- CPU A14 | +5V -- |01 20| <- CPU A14
CPU R/W -> |02 19| <- CPU A13 | CPU R/W -> |02 19| <- CPU A13 | CPU R/W -> |02 19| <- CPU A13
PRG /CE <- |03 18| -> $C000.1 OR A14 | PRG /CE <- |03 18| -> $C000.1 OR A14 | PRG /CE <- |03 18| -> $C000.1 OR A14
$C000.0 OR A14 <- |04 17| -> $C000.2 OR A14 | $C000.0 OR A14 <- |04 17| -> $8000.4 | $C000.0 OR A14 <- |04 17| -> $8000.4
M2 -> |05 16| <- ?? | M2 -> |05 16| <- ?? | M2 -> |05 16| -> $C000.2 OR A14
CPU A0 -> |06 15| <- CPU /ROMSEL | CPU A0 -> |06 15| <- CPU /ROMSEL | CPU A0 -> |06 15| <- ??
CPU D0 -> |07 14| -> $C000.3 OR A14 | CPU D0 -> |07 14| -> $8000.3 | CPU D0 -> |07 14| <- CPU /ROMSEL
CPU D1 -> |08 13| -> CIC stun | CPU D1 -> |08 13| -> CIC stun | CPU D1 -> |08 13| -> CIC stun
CPU D2 -> |09 12| <- CPU D4 | CPU D2 -> |09 12| <- CPU D4 | CPU D2 -> |09 12| <- CPU D4
GND -- |10 11| <- CPU D3 | GND -- |10 11| <- CPU D3 | GND -- |10 11| <- CPU D3
'-----' | '-----' | '-----'
BF9093 | BF9096 | BF9097
$C000.3 OR CPU A14 = PRG A17 | $8000.3 = PRG A17 | $8000.4 = CIRAM A10 in Firehawk
$C000.2 OR CPU A14 = PRG A16 | $8000.4 = PRG A16 | $C000.2 OR CPU A14 = PRG A16
$C000.1 OR CPU A14 = PRG A15 | $C000.1 OR CPU A14 = PRG A15 | $C000.1 OR CPU A14 = PRG A15
$C000.0 OR CPU A14 = PRG A14 | $C000.0 OR CPU A14 = PRG A14 | $C000.0 OR CPU A14 = PRG A14
Notes:
- All chips are 20-pin 0.3" PDIP
- Register $8000 is at $8000-$BFFF
- Register $C000 is at $C000-$FFFF
- ?? is unknown input, tied to GND in all cartridges
- BF9093 is used in 64 kB / 128 kB / 256 kB NES & 256 kB Famicom singles (iNES Mapper 071 submapper 0)
- BF9096 is used in NES/Famicom Quattro multicarts (iNES Mapper 232)
- BF9097 is used in Firehawk (iNES Mapper 071) submapper 1 and in 64 kB Famicom singles (pins 17, 16 are not wired here)
- CIC stun latches inverse of CPU A0 when writing at $E000-$FFFF
- Pinout from Kevtris is not accurate
Source: [1]
